{
  "songs": [
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260419-115132-6d7228/01_places to be_20260419/suno_raw_0.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260419-115132-6d7228/01_places to be_20260419/suno_mixed_0.mp3",
      "before": {
        "lufs": -13.2,
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        "crest": 13.100000381469727,
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        "low_pct": 78.30000305175781,
        "mid_pct": 18.399999618530273,
        "high_pct": 3.299999952316284,
        "centroid": 513.0,
        "bands": {
          "sub": 37.5,
          "bass": 40.79999923706055,
          "low_mid": 13.899999618530273,
          "mid": 4.400000095367432,
          "high_mid": 1.2999999523162842,
          "air": 2.0
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      },
      "after": {
        "lufs": -10.0,
        "peak": 0.4000000059604645,
        "rms": -11.699999809265137,
        "crest": 12.100000381469727,
        "width": 4.099999904632568,
        "low_pct": 70.5,
        "mid_pct": 24.799999237060547,
        "high_pct": 4.699999809265137,
        "centroid": 699.0,
        "bands": {
          "sub": 34.400001525878906,
          "bass": 36.099998474121094,
          "low_mid": 18.5,
          "mid": 6.300000190734863,
          "high_mid": 1.7000000476837158,
          "air": 3.0
        }
      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.46799999475479126,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.0,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.5,
        "side_gain_db": 0.0,
        "_global_low": 78.30000305175781,
        "_global_mid": 18.399999618530273,
        "_global_high": 3.299999952316284
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=78% Mid=18% High=3% W=4.0% Crest=13.1",
        "   目标: Low=18% Mid=62% High=20% W=5.1% Crest=12.4",
        "   差值: ΔLow=+60% ΔMid=-44% ΔHigh=-16% ΔW=-1.1% ΔCrest=+0.7",
        "   低频偏多+60%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏少-16%: 空气感=+1.0dB",
        "   LowMid偏少-28%: 600Hz=+0.5dB",
        "   Mid偏少-16%: 2.5kHz=+0.5dB q=1.0",
        "   宽度接近目标(Δ-1.1%) → Side增益归零",
        "   动态接近目标(Δ+0.7dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "rock",
        "confidence": "medium",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 2757.0,
        "onset_density": 4.8,
        "low_energy": 51.20000076293945
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      "ref": {
        "lufs": -7.7,
        "peak": 3.4000000953674316,
        "rms": -9.0,
        "crest": 12.399999618530273,
        "width": 5.099999904632568,
        "low_pct": 18.0,
        "mid_pct": 62.20000076293945,
        "high_pct": 19.799999237060547,
        "centroid": 2291.0,
        "bands": {
          "sub": 0.0,
          "bass": 18.0,
          "low_mid": 42.099998474121094,
          "mid": 20.0,
          "high_mid": 8.0,
          "air": 11.899999618530273
        }
      }
    },
    {
      "input": "/srv/music-files-platform-next/pipeline/batch-20260419-115132-6d7228/01_places to be_20260419/suno_raw_1.mp3",
      "output": "/srv/music-files-platform-next/pipeline/batch-20260419-115132-6d7228/01_places to be_20260419/suno_mixed_1.mp3",
      "before": {
        "lufs": -12.7,
        "peak": -1.7000000476837158,
        "rms": -13.899999618530273,
        "crest": 12.199999809265137,
        "width": 3.4000000953674316,
        "low_pct": 82.80000305175781,
        "mid_pct": 14.899999618530273,
        "high_pct": 2.200000047683716,
        "centroid": 403.0,
        "bands": {
          "sub": 28.899999618530273,
          "bass": 54.0,
          "low_mid": 9.399999618530273,
          "mid": 5.5,
          "high_mid": 1.2999999523162842,
          "air": 0.8999999761581421
        }
      },
      "after": {
        "lufs": -9.8,
        "peak": 0.4000000059604645,
        "rms": -11.5,
        "crest": 11.899999618530273,
        "width": 4.300000190734863,
        "low_pct": 75.4000015258789,
        "mid_pct": 21.100000381469727,
        "high_pct": 3.5,
        "centroid": 590.0,
        "bands": {
          "sub": 29.200000762939453,
          "bass": 46.20000076293945,
          "low_mid": 12.399999618530273,
          "mid": 8.600000381469727,
          "high_mid": 2.0,
          "air": 1.5
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      },
      "adapted_params": {
        "side_hp_hz": 120,
        "side_high_shelf_hz": 10000,
        "side_high_shelf_db": 0.0,
        "mid_peak_hz": 60,
        "mid_peak_db": 0,
        "mid_peak_q": 1.0,
        "mid_kick_hz": 100,
        "mid_kick_db": 0,
        "mid_kick_q": 1.0,
        "mid_snap_hz": 2500,
        "mid_snap_db": 0.4350000023841858,
        "mid_snap_q": 1.0,
        "parallel_comp_enabled": true,
        "parallel_comp_threshold_db": -20.0,
        "parallel_comp_ratio": 8.0,
        "parallel_comp_attack_ms": 5,
        "parallel_comp_release_ms": 150,
        "parallel_comp_mix": 0.03,
        "pre_gain_db": 0.0,
        "hp_hz": 30,
        "dull_hz": 300,
        "dull_db": -2.0,
        "dull_q": 1.5,
        "sub_shelf_hz": 80,
        "sub_shelf_db": 0.0,
        "tight_hz": 120,
        "tight_db": -1.5,
        "tight_q": 1.5,
        "air_hz": 16000,
        "air_db": 1.0,
        "comp_threshold_db": -6.0,
        "comp_ratio": 1.5,
        "comp_attack_ms": 20,
        "comp_release_ms": 100,
        "limiter_threshold_db": -1.0,
        "limiter_release_ms": 100,
        "dynamic_eq": false,
        "mp3_bitrate": 320,
        "_lowmid_boost_db": 0.5,
        "side_gain_db": 0.0,
        "_global_low": 82.80000305175781,
        "_global_mid": 14.899999618530273,
        "_global_high": 2.200000047683716
      },
      "reasons": [
        "🎯 参考曲匹配模式",
        "   输入: Low=83% Mid=15% High=2% W=3.4% Crest=12.2",
        "   目标: Low=18% Mid=62% High=20% W=5.1% Crest=12.4",
        "   差值: ΔLow=+65% ΔMid=-47% ΔHigh=-18% ΔW=-1.7% ΔCrest=-0.2",
        "   低频偏多+65%: 去闷=-2.0dB, 低频增强=0.0dB, 收紧=-1.5dB",
        "   高频偏少-18%: 空气感=+1.0dB",
        "   LowMid偏少-33%: 600Hz=+0.5dB",
        "   Mid偏少-14%: 2.5kHz=+0.4dB q=1.0",
        "   宽度接近目标(Δ-1.7%) → Side增益归零",
        "   动态接近目标(Δ-0.2dB) → 极轻压缩(-6dB/1.5:1/PC 3%)"
      ],
      "genre": {
        "genre": "jazz",
        "confidence": "low",
        "source": "audio",
        "bpm": 89.1,
        "centroid": 2583.0,
        "onset_density": 3.8,
        "low_energy": 58.29999923706055
      },
      "ref": {
        "lufs": -7.7,
        "peak": 3.4000000953674316,
        "rms": -9.0,
        "crest": 12.399999618530273,
        "width": 5.099999904632568,
        "low_pct": 18.0,
        "mid_pct": 62.20000076293945,
        "high_pct": 19.799999237060547,
        "centroid": 2291.0,
        "bands": {
          "sub": 0.0,
          "bass": 18.0,
          "low_mid": 42.099998474121094,
          "mid": 20.0,
          "high_mid": 8.0,
          "air": 11.899999618530273
        }
      }
    }
  ],
  "time": 39.9
}